Metrology & Measurement Technology, Volume. 45, Issue 3, 58(2025)

Development of heavy⁃duty screw pair stroke measuring machine

Shengsong JIAO1、*, Jie JIAO, Min GAO1, and Ling ZHENG2
Author Affiliations
  • 1Beijing Machine Tool Research Institute Co., Ltd., Beijing101500, China
  • 2Changzhi Qinghua Machinery Factory, Changzhi046100, China
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    Figures & Tables(28)
    Overall layout of measuring instrument
    Finite element analysis of three support points
    Finite element analysis of three main support points and auxiliary support points
    Distribution diagram of support points at the bottom of the bed
    50 mm away from the end face
    500 mm away from the end face
    Headframe components
    Main shaft force analysis
    Tail frame components
    Force analysis of tailstock
    Tail frame air floating unloading structure
    Fixed support components
    Roller seat 1
    Roller seat 2
    Roller seat 3
    Measuring trailer
    Force analysis of gantry body
    Control system flowchart
    Prototype of heavy⁃duty screw pair stroke measuring instrument
    Schematic diagram of travel indication error
    • Table 1. Main technical parameters

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      Table 1. Main technical parameters

      测量范围 / mm测量精度测量项目
      导程(螺距)丝杠外径螺母外径法兰盘外径丝杠长度滚珠丝杠副梯形丝杠滚珠丝杠副梯形丝杠
      2 ~ 5090 ~ 305145 ~ 250200 ~ 270200 ~ 4 000GB / T 17587.3-2017规定的P3级JB / T 2886-2008规定的6级

      有效行程内实际平均行程偏差saoa

      行程变动量ua300a2πa

      螺旋线轴向误差△L、△L25、△L100、△L300、△LLu

      螺距误差及螺距累积误差△P、△P60、△P300、△PLu

    • Table 2. Experimental data on rigidity of air bearing

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      Table 2. Experimental data on rigidity of air bearing

      承载 / kg气膜 / μm
      10014
      20012
      25011
      3009
      3508
      4006
      4505
    • Table 3. Geometric accuracy measurement results of machine tools

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      Table 3. Geometric accuracy measurement results of machine tools

      测量项目方向允许值实测值
      旋转头架顶尖的回转误差0.005 mm0.002 mm
      头架主轴锥孔中心线对工作台移动方向的平行度垂直方向0.003 ~ 0.010 mm / 200 mm0.007 mm / 200 mm
      水平方向0.005 mm / 200 mm0.001 mm / 200 mm
      尾架顶尖套筒锥孔中心线对工作台移动方向的平行度垂直方向0.003 ~ 0.010 mm / 200 mm0.005 mm / 200 mm
      水平方向0.005 mm / 200 mm0.002 mm / 200 mm
      头架主轴锥孔中心线与尾架顶尖套筒锥孔中心线 对工作台导轨距离的相差值垂直方向

      0.005 mm / 1 000 mm

      0.007 mm / 2 000 mm

      0.010 mm / 4 000 mm

      0.001 mm / 1 000 mm

      0.002 mm / 2 000 mm

      0.002 mm / 4 000 mm

      水平方向

      0.005 mm / 1 000 mm

      0.007 mm / 2 000 mm

      0.010 mm / 4 000 mm

      0.003 mm / 1 000 mm

      0.003 mm / 2 000 mm

      0.003 mm / 4 000 mm

      工作台移动时,绕移动轴线的摆动

      2″ / 300 mm

      3″ / 1 000 mm

      4″ / 2 000 mm

      5″ / 4 000 mm

      0.6″ / 300 mm

      1.4″ / 1 000 mm

      2.2″ / 2 000 mm

      3.2″ / 4 000 mm

      工作台在水平面、垂直面内移动的直线度垂直方向

      2″ / 300 mm

      3″ / 1 000 mm

      4″ / 2 000 mm

      5″ / 4 000 mm

      0.61″ / 300 mm

      0.97″ / 1 000 mm

      1.07″ / 2 000 mm

      1.07″ / 4 000 mm

      水平方向

      2″ / 300 mm

      3″ / 1 000 mm

      4″ / 2 000 mm

      5″ / 4 000 mm

      0.82″ / 300 mm

      1.77″ / 1 000 mm

      1.93″ / 2 000 mm

      2.54″ / 4 000 mm

    • Table 4. Abbe error caused by trailer torsion

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      Table 4. Abbe error caused by trailer torsion

      丝杠长度 / mmα / (″)β / (″)δ1 / μmδ2 / μmδ3 / μm
      3000.600.610.020.440.44
      1 0001.400.970.040.700.70
      2 0002.201.070.060.780.78
      4 0003.201.070.100.780.79
    • Table 5. Comparison of allowable deviation of P1⁃grade screw with<i> δ</i><sub>3</sub>

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      Table 5. Comparison of allowable deviation of P1⁃grade screw with<i> δ</i><sub>3</sub>

      丝杠长度 / mmδ3 / μmep / μmVp / μm
      3000.4466
      1 0000.70119
      2 0000.781813
      4 0000.793221
    • Table 6. Travel indication error

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      Table 6. Travel indication error

      测量仪光束位置最大示值误差 / μm
      到测量仪顶尖连线距离50 mm处0.5
      到测量仪顶尖连线距离150 mm处1.3
    • Table 7. Comprehensive measurement results of screw pair GQ100 × 24-P5 / 3028 × 2705

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      Table 7. Comprehensive measurement results of screw pair GQ100 × 24-P5 / 3028 × 2705

      测量位置测量序号V2πaV300aVuaeoaesa
      初始位置第1次测量6.6412.0212.81-31.44
      第2次测量7.5911.5513.13-36.20
      旋转90°位置第3次测量7.4412.5014.24-31.87
      第4次测量7.5911.2313.13-32.89
      最大值与最小值之差0.951.271.434.76
      允差(按P1级标准)1.302.005.007.30
    • Table 8. Allowable deviation of screw pair GQ100 × 24-P5 / 3028 × 2705

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      Table 8. Allowable deviation of screw pair GQ100 × 24-P5 / 3028 × 2705

      精度等级V2πaV300aVuaeoaesa
      1级461522
      2级582130
      3级6122941
      4级7164157
      5级8235978
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    Shengsong JIAO, Jie JIAO, Min GAO, Ling ZHENG. Development of heavy⁃duty screw pair stroke measuring machine[J]. Metrology & Measurement Technology, 2025, 45(3): 58

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    Paper Information

    Category: New Techniques for Precision Measurement

    Received: Nov. 12, 2024

    Accepted: --

    Published Online: Jul. 31, 2025

    The Author Email:

    DOI:10.11823/j.issn.1674-5795.2025.03.05

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